EN 10263-4 Grade 34Cr4 annealed to achieve spheroidized carbides (+AC)

Want to keep this datasheet? Save it now in your required format

Description

The cold-upsettable steel 34 Cr 4 can be cold-formed with a medium to high rate of forming according to the usual forming methods on single-stage and multi-stage presses. It is used for hexagon screws and hexagon socket head cap screw of strength class 8.8 in the medium to thick dimension range and of strength class 10.9 in the thin to medium dimension range.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.83 g/cm³

Show Material materials with Density of 7.83 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

Show Material materials with Elastic modulus of 217 GPa

20.0 °C

212 GPa

Show Material materials with Elastic modulus of 212 GPa

100.0 °C

207 GPa

Show Material materials with Elastic modulus of 207 GPa

200.0 °C

199 GPa

Show Material materials with Elastic modulus of 199 GPa

300.0 °C

192 GPa

Show Material materials with Elastic modulus of 192 GPa

400.0 °C

184 GPa

Show Material materials with Elastic modulus of 184 GPa

500.0 °C

175 GPa

Show Material materials with Elastic modulus of 175 GPa

600.0 °C

164 GPa

Show Material materials with Elastic modulus of 164 GPa

Poisson's ratio

20.0 °C

0.28 [-]

Show Material materials with Poisson's ratio of 0.28 [-]

Reduction of area

20.0 °C

60 %

Show Material materials with Reduction of area of 60 %

Tensile strength

20.0 °C

600 MPa

Show Material materials with Tensile strength of 600 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.05E-5 1/K

20.0 °C

1.15E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.15E-5 1/K

100.0 °C

1.21E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.21E-5 1/K

200.0 °C

1.27E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.27E-5 1/K

300.0 °C

1.32E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.32E-5 1/K

400.0 °C

1.36E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.36E-5 1/K

500.0 °C

1.4E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.4E-5 1/K

600.0 °C

1.44E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.44E-5 1/K

Unlock all property charts

Melting point

1382 - 1529 °C

Show Material materials with Melting point of 1382 - 1529 °C

Typical for Chromium Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

Show Material materials with Specific heat capacity of 423 J/(kg·K)

20.0 °C

461 J/(kg·K)

Show Material materials with Specific heat capacity of 461 J/(kg·K)

100.0 °C

479 J/(kg·K)

Show Material materials with Specific heat capacity of 479 J/(kg·K)

200.0 °C

499 J/(kg·K)

Show Material materials with Specific heat capacity of 499 J/(kg·K)

300.0 °C

517 J/(kg·K)

Show Material materials with Specific heat capacity of 517 J/(kg·K)

400.0 °C

536 J/(kg·K)

Show Material materials with Specific heat capacity of 536 J/(kg·K)

500.0 °C

558 J/(kg·K)

Show Material materials with Specific heat capacity of 558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Show Material materials with Specific heat capacity of 587 J/(kg·K)

Unlock all property charts

Thermal conductivity

20.0 °C

45.1 W/(m·K)

Show Material materials with Thermal conductivity of 45.1 W/(m·K)

100.0 °C

45.1 W/(m·K)

Show Material materials with Thermal conductivity of 45.1 W/(m·K)

200.0 °C

44.1 W/(m·K)

Show Material materials with Thermal conductivity of 44.1 W/(m·K)

300.0 °C

41.9 W/(m·K)

Show Material materials with Thermal conductivity of 41.9 W/(m·K)

400.0 °C

39.4 W/(m·K)

Show Material materials with Thermal conductivity of 39.4 W/(m·K)

500.0 °C

36.9 W/(m·K)

Show Material materials with Thermal conductivity of 36.9 W/(m·K)

600.0 °C

34.4 W/(m·K)

Show Material materials with Thermal conductivity of 34.4 W/(m·K)

Unlock all property charts

Thermal diffusivity

20.0 °C

12.5 mm²/s

Show Material materials with Thermal diffusivity of 12.5 mm²/s

100.0 °C

11.6 mm²/s

Show Material materials with Thermal diffusivity of 11.6 mm²/s

200.0 °C

10.6 mm²/s

Show Material materials with Thermal diffusivity of 10.6 mm²/s

300.0 °C

9.5 mm²/s

Show Material materials with Thermal diffusivity of 9.5 mm²/s

400.0 °C

8.4 mm²/s

Show Material materials with Thermal diffusivity of 8.4 mm²/s

500.0 °C

7.1 mm²/s

Show Material materials with Thermal diffusivity of 7.1 mm²/s

600.0 °C

5.8 mm²/s

Show Material materials with Thermal diffusivity of 5.8 mm²/s

Unlock all property charts

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.31E-7 Ω·m

Show Material materials with Electrical resistivity of 2.31E-7 Ω·m

100.0 °C

2.84E-7 Ω·m

Show Material materials with Electrical resistivity of 2.84E-7 Ω·m

200.0 °C

3.58E-7 Ω·m

Show Material materials with Electrical resistivity of 3.58E-7 Ω·m

300.0 °C

4.48E-7 Ω·m

Show Material materials with Electrical resistivity of 4.48E-7 Ω·m

400.0 °C

5.52E-7 Ω·m

Show Material materials with Electrical resistivity of 5.52E-7 Ω·m

500.0 °C

6.71E-7 Ω·m

Show Material materials with Electrical resistivity of 6.71E-7 Ω·m

600.0 °C

8.06E-7 Ω·m

Show Material materials with Electrical resistivity of 8.06E-7 Ω·m

Unlock all property charts

Chemical properties

PropertyValue

Carbon

0.3 - 0.37 %

Show Material materials with Carbon of 0.3 - 0.37 %

Chromium

0.9 - 1.2 %

Show Material materials with Chromium of 0.9 - 1.2 %

Manganese

0.6 - 0.9 %

Show Material materials with Manganese of 0.6 - 0.9 %

Phosphorus

0.04 %

Show Material materials with Phosphorus of 0.04 %

Silicon

0.4 %

Show Material materials with Silicon of 0.4 %

Sulfur

0.035 %

Show Material materials with Sulfur of 0.035 %